perio log battery voltages and plot graphs
l00httpd.pl does not reload if file not changed; minor changes
xps copy
changes from slide
Merge branch 'slide' into xps

Conflicts:
	l00http_periobattery.pl
	l00http_rptbattery.pl
add voltage table
fixed cursor readout error
minor
add rptnetifcon poor mans off-line whois lookup
fix ISP delta for marked time